5/16-18 BSW Blue Wizard Spiral Point Machine Tap

• HSS
• Designed to produce a 6H Class of Fit
• BSW (British Standard Whitworth) is similar to UNC but differs in that the thread form for a BSW is 55° vs the 60° for UNC
• Spiral point forces the chips ahead of the tap – designed for through hole applications
• Suitable for various steels (up to 32Rc) and stainless steel
• Ferrous Oxide surface treatment increases wear resistance, improves chip flow and reduces chip welding
• The Ferrous Oxide surface treatment also enables the tap to absorb the lubricant / cutting fluid